... gear components Material: Zinc Alloy Used in mechanical follow meter. aluminum,precision zinc die castingdie casting gear ... , Investment CastingMaterial Available: Aluminum, Zinc, Brass, Bronze, Stainless Steel, Alloy Steel, Carbon Steel, Cast Iron and etc.Surface ... Treatment: Galvanization, Anodized, Blasting, Powder Coating, Mirror Polished and etc.Packing: ...